221495678

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 353669760

約数和(自身を除く): 132174082

約数列:

[1, 2, 29, 47, 58, 94, 193, 386, 421, 842, 1363, 2726, 5597, 9071, 11194, 12209, 18142, 19787, 24418, 39574, 81253, 162506, 263059, 526118, 573823, 1147646, 2356337, 3818891, 4712674, 7637782, 110747839, 221495678]

約数ペア:

[(1, 221495678), (2, 110747839), (29, 7637782), (47, 4712674), (58, 3818891), (94, 2356337), (193, 1147646), (386, 573823), (421, 526118), (842, 263059), (1363, 162506), (2726, 81253), (5597, 39574), (9071, 24418), (11194, 19787), (12209, 18142)]